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Galaxy S21 Ultra 5G
G998USQSFHYE2
ATTAndroid 15Released 5/22/2025Firmware details
Key identifiers and package metadata for this release.
G998USQSFHYE2G998UOYNFHYE2 USAUSACSC code ATT15 carriers in 2 countries
CSC stands for Consumer Software Customization (sometimes "Country Sales Code"). Samsung firmware ships with carrier- and region-specific configs; the networks listed below are what this CSC was built to support out of the box.
AT&T310170NWIDNW00167AT&T310380NWIDNW00167AT&T310410NWIDNW00167AT&T310560NWIDNW00167AT&T311180NWIDNW00167AT&T310950NWIDNW00167AT&T310410NWIDNW02038AT&T311180NWIDNW02038AT&T310950NWIDNW02038AT&T310410NWIDNW02036AT&T311180NWIDNW02036AT&T310950NWIDNW02036AT&T310150NWIDNW00057AT&T310410NWIDNW02171AT&T311180NWIDNW02171AT&T310950NWIDNW02171AT&T310410NWIDNW02172AT&T311180NWIDNW02172AT&T310950NWIDNW02172FirstNet313100NWIDNW00168FirstNet312670NWIDNW00168FirstNet313130NWIDNW00168FirstNet313140NWIDNW00168mobi310030NWIDNW0016799999NWIDNW0016700101NWIDNW00156
AT&T310280NWIDNW00167AT&T310280NWIDNW02038AT&T310280NWIDNW02036AT&T310280NWIDNW02171AT&T310280NWIDNW02172